Home / 13,357,065.60-20,035,598.40-6,638,601.60

Finding the Fourth Proportional to 13,357,065.60, 20,035,598.40 and 6,638,601.60

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Solution

The fourth proportional to 13,357,065.60, 20,035,598.40 and 6,638,601.60 is: 9,957,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357,065.60 : 20,035,598.40 = 6,638,601.60 : x
  2. Step 2: Convert to fraction form
    13,357,065.60/20,035,598.40 = 6,638,601.60/x
  3. Step 3: Cross multiply
    13,357,065.60x = 20,035,598.40 × 6,638,601.60
  4. Step 4: Simplify right side
    13,357,065.60x = 133,008,355,595,197.42
  5. Step 5: Solve for x
    x = 133,008,355,595,197.42/13,357,065.60
  6. Step 6: Final answer
    x = 9,957,902.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.